Completed International Case Study

266 m² Contemporary Light Gauge Steel Villa in Split, Croatia

Location: Split, Croatia Type: Residential Villa Floor Area: 266 m² (2,863 sq ft) Scope: Supply + Supervision Status: Completed (2025)
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Eurocode 3 & 8 Certified Engineering
EN 1090-2 Factory Quality Control
40ft HC Container Packing & Flat-Pack Export
100% Bolted Field Assembly (Zero Site Welding)
14 Days
Frame Assembly
Complete dry envelope erected
180 km/h
Bora Wind Rating
Adriatic storm gale resistance
U = 0.13
Thermal Shell
W/m²K continuous insulation
2 Containers
40ft HC Export
100% flat-pack kit shipment

Project Technical Summary

Structural Technology Light Gauge Steel Framing (LGSF)
Steel Grade & Coating S350GD + Z275 Hot-Dip Galvanized High-Tensile Steel
Location & Country Split, Croatia (Croatia)
Floor Area (m²) 266 m² (2,863 sq ft)
Delivery Scope Supply + Supervision
Key Engineering Result Complete structural framing erected and sheathed in only 14 work days with zero dimensional deviations.

Delivered Technical Scope

  • 3D BIM structural model and Eurocode 3 calculation dossier
  • Full CNC roll-formed LGS wall panels, floor joists, and roof trusses
  • All structural anchor bolts, self-drilling screws, and hold-down brackets
  • 10 days on-site engineering supervision and torque verification
✓ 100% factory pre-engineered and quality-inspected under EN 1090-2 execution standards.

The Project Challenge & Engineering Solution

How our structural engineers tackled complex site constraints, wind/seismic forces, and strict deadlines.

The Project Challenge

Severe coastal bora wind gusts (up to 180 km/h) and high seismic ground acceleration in the Adriatic coastal zone, combined with a tight 6-week dry framing deadline on a hillside plot.

The SerBuild Engineering Solution

Engineered a shear-wall strap-braced LGS framing system using 140mm exterior C-studs. All panels were flat-packed into two 40ft High Cube containers. A SerBuild senior site supervisor oversaw the local assembly crew.

Structural Mechanics & Finite Element Blueprint

Detailed static modeling, load dissipation paths, and statutory regulatory validation.

Structural Engineering & Detailing Analysis

Light Gauge Steel Framing (LGSF) • S350GD + Z275 Hot-Dip Galvanized High-Tensile Steel

Located on a steep hillside in Split, this contemporary two-storey residence required rigorous structural engineering against severe Adriatic Bora wind gusts (up to 180 km/h) and peak ground acceleration in Croatian Seismic Zone VII. Our engineering team designed a high-tensile S350GD+Z275 light gauge steel shear-wall system with continuous 140mm external C-studs and diagonal tension strap bracings anchored via ETA-approved heavy hold-down brackets.

European Eurocodes & Standards Compliance

Verified structural calculations matching national building regulations and Eurocode annexes.

HRN EN 1993-1-3

Cold-Formed Framing

Effective width and local buckling verification for Croatian light steel buildings.

HRN EN 1998-1

Seismic Action (Zone VII)

Ductile shear wall behavior and foundation hold-down tension bracket sizing.

HRN EN 1991-1-4

Adriatic Wind Actions

Peak gust aerodynamic pressure calculation for hillside coastal terrain.

EN 13501-2

REI 60 Fire Resistance

Double gypsum fireboard and mineral wool composite wall rating.

End-to-End Execution Lifecycle: BIM to Site

Seamless workflow from 3D parametric Tekla BIM to automated CNC pre-fabrication and job-site erection.

01

3D Tekla BIM & Split Planning Approval

LOD 400 structural model aligned with architectural hillside constraints and Croatian building codes.

02

CNC Profiling & Part Tagging

Precision roll-forming with automated dimples, pre-punched MEP holes, and inkjet member coding.

03

Flat-Pack Maritime Delivery

Two 40ft High Cube containers delivered directly to Split job-site via Port of Rijeka.

04

Supervised Local Assembly

14-day frame assembly supervised on site by SerBuild lead structural engineer.

Technical Bill of Quantities & Deliverables Matrix

Comprehensive breakdown of delivered steel superstructure components, secondary framing, envelope, and dossier.

Wall Framing
140mm C-Studs (S350GD+Z275)
1.20mm gauge pre-punched framing studs spaced at 400mm centers with swaged ends.
Floor Superstructure
250mm C-Joists & Acoustic Deck
High-capacity floor joists spanning 5.8m clear with resilient acoustic decoupling strips.
Roof Trusses
Engineered Pitched Trusses
Gusset-screwed triangulated roof trusses supporting heavy clay tiles and PV panels.
Thermal Shell
Continuous ETICS + Mineral Wool
100mm exterior EPS/rockwool wrap with 140mm in-stud acoustic mineral wool insulation.
Hardware Kit
Seismic Hold-Downs & Anchors
Hot-dip galvanized M16 mechanical anchor studs and 30,000+ structural self-drilling screws.
“

Building on a steep coastal hillside with 180 km/h winds seemed daunting, but SerBuild delivered a rock-solid steel kit that went together like clockwork in just 14 days.

Marko Radic
Managing Director • Dalmatia Luxury Residences d.o.o.

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Frequently Asked Questions

Detailed answers to technical, manufacturing, export, and on-site assembly questions.

SerBuild designs and manufactures light gauge steel (LGSF) and heavy structural steel buildings for residential developments, industrial warehouses, manufacturing factories, aircraft hangars, commercial offices, and agricultural halls.

Yes. All structural engineering is performed strictly according to Eurocodes (EN 1990, EN 1991, EN 1993, EN 1998) including project-specific National Annex parameters for local snow, wind, and seismic loads.

We offer five flexible delivery packages: Engineering Only, Supply Only (containerized flat-pack kit), Supply with On-Site Supervision, Complete Frame Installation, and Turnkey Project Delivery in eligible regions.

Components are precision roll-formed or cut, permanent piece-marked, and packed in dense weather-protected flat-pack bundles optimized for 40ft High Cube containers, accompanied by detailed 3D packing lists and assembly manuals.

Submit your project location, building dimensions (width, length, eave height), intended use, and any available architectural drawings or sketches via our 5-step RFQ form. Our engineering team reviews the submission and responds within 24–48 hours.

Request an Engineered Steel Building Proposal

Submit your project dimensions, drawings or requirements for an engineering review and itemized quote within 24–48 hours.

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